Sic undique omni ratione concluditur, mente consilioque divino omnia in hoc mundo ad salutem omnium conservationemque administrari. Quo Spectaculo nihil potest admirabilius esse, nihil pulchrius. Quid tam apertum, tamque perspicuum, cùm cœlum suspeximus, cælestiaque contemplati sumus, quàm aliquod esse Numen præstantissimæ mentis, qua hæc regantur?
CIC. DE NAT. DEOR.
Heads of Mr. Walker, sen.’s
Lectures,
IN CONDUIT-STREET, HANOVER-SQUARE,
Read every Monday, Wednesday, & Friday, during Winter,
AT ONE,
On an Explanatory Apparatus,
The most extensive and elegant.
ONE GUINEA THE COURSE.
I. On the general Properties of Matter, Magnetism, &c.
II. On the Laws of Motion, Mechanics, Machines of Agriculture, Mills, Cranes, &c.
III. On the Principles of Chemistry.
IV. On Pneumatics, or the Weight and Spring of the Air, Musical Vibrations, &c.
V. On the Gasses and new Discoveries in the Air.